[1]
“Didymodon rigidulus var. subulatus (Thér. & Bartram ex E.B. Bartram) R.H. Zander, new to the moss flora of Mongolia and Asia”, Bangladesh J. Plant Taxon, vol. 22, no. 1, pp. 63–66, Jun. 2015, doi: 10.3329/bjpt.v22i1.23871.